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去氢退火
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去氢退火
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退火
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dehydrogenation annealing
去氢退火
为防止中碳和中碳合金钢锻件在热形变加工后的冷却过程中因氢呈气态析出而形成发裂(白点),在其形变加工结束后直接通过低温加热、保温,使钢中原来固溶的氢扩散到材料或工件之外的退火热处理工艺。
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